Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/imx-audmux.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Freescale Digital Audio Mux device |
| 8 | |
| 9 | maintainers: |
| 10 | - Oleksij Rempel <o.rempel@pengutronix.de> |
| 11 | |
| 12 | properties: |
| 13 | compatible: |
| 14 | oneOf: |
| 15 | - items: |
| 16 | - enum: |
| 17 | - fsl,imx27-audmux |
| 18 | - const: fsl,imx21-audmux |
| 19 | - items: |
| 20 | - enum: |
| 21 | - fsl,imx25-audmux |
| 22 | - fsl,imx35-audmux |
| 23 | - fsl,imx50-audmux |
| 24 | - fsl,imx51-audmux |
| 25 | - fsl,imx53-audmux |
| 26 | - fsl,imx6q-audmux |
| 27 | - fsl,imx6sl-audmux |
| 28 | - fsl,imx6sll-audmux |
| 29 | - fsl,imx6sx-audmux |
| 30 | - const: fsl,imx31-audmux |
| 31 | |
| 32 | reg: |
| 33 | maxItems: 1 |
| 34 | |
| 35 | clocks: |
| 36 | maxItems: 1 |
| 37 | |
| 38 | clock-names: |
| 39 | items: |
| 40 | - const: audmux |
| 41 | |
| 42 | patternProperties: |
| 43 | "^mux-[0-9a-z]*$": |
| 44 | type: object |
| 45 | properties: |
| 46 | fsl,audmux-port: |
| 47 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 48 | description: | |
| 49 | Integer of the audmux port that is configured by this child node |
| 50 | |
| 51 | fsl,port-config: |
| 52 | $ref: /schemas/types.yaml#/definitions/uint32-array |
| 53 | description: | |
| 54 | List of configuration options for the specific port. |
| 55 | For imx31-audmux and above, it is a list of tuples ptcr pdcr. |
| 56 | For imx21-audmux it is a list of pcr values. |
| 57 | |
| 58 | required: |
| 59 | - fsl,audmux-port |
| 60 | - fsl,port-config |
| 61 | |
| 62 | additionalProperties: false |
| 63 | |
| 64 | required: |
| 65 | - compatible |
| 66 | - reg |
| 67 | |
| 68 | additionalProperties: false |
| 69 | |
| 70 | examples: |
| 71 | - | |
| 72 | audmux@21d8000 { |
| 73 | compatible = "fsl,imx6q-audmux", "fsl,imx31-audmux"; |
| 74 | reg = <0x021d8000 0x4000>; |
| 75 | }; |
| 76 | - | |
| 77 | audmux@10016000 { |
| 78 | compatible = "fsl,imx27-audmux", "fsl,imx21-audmux"; |
| 79 | reg = <0x10016000 0x1000>; |
| 80 | clocks = <&clks 1>; |
| 81 | clock-names = "audmux"; |
| 82 | |
| 83 | mux-ssi0 { |
| 84 | fsl,audmux-port = <0>; |
| 85 | fsl,port-config = <0xcb205000>; |
| 86 | }; |
| 87 | |
| 88 | mux-pins4 { |
| 89 | fsl,audmux-port = <2>; |
| 90 | fsl,port-config = <0x00001000>; |
| 91 | }; |
| 92 | }; |
| 93 | - | |
| 94 | #include <dt-bindings/sound/fsl-imx-audmux.h> |
| 95 | audmux@21d8000 { |
| 96 | compatible = "fsl,imx6q-audmux", "fsl,imx31-audmux"; |
| 97 | reg = <0x021d8000 0x4000>; |
| 98 | pinctrl-names = "default"; |
| 99 | pinctrl-0 = <&pinctrl_audmux>; |
| 100 | |
| 101 | mux-ssi1 { |
| 102 | fsl,audmux-port = <0>; |
| 103 | fsl,port-config = < |
| 104 | IMX_AUDMUX_V2_PTCR_SYN 0 |
| 105 | IMX_AUDMUX_V2_PTCR_TFSEL(2) 0 |
| 106 | IMX_AUDMUX_V2_PTCR_TCSEL(2) 0 |
| 107 | IMX_AUDMUX_V2_PTCR_TFSDIR 0 |
| 108 | IMX_AUDMUX_V2_PTCR_TCLKDIR IMX_AUDMUX_V2_PDCR_RXDSEL(2) |
| 109 | >; |
| 110 | }; |
| 111 | |
| 112 | mux-pins3 { |
| 113 | fsl,audmux-port = <2>; |
| 114 | fsl,port-config = < |
| 115 | IMX_AUDMUX_V2_PTCR_SYN IMX_AUDMUX_V2_PDCR_RXDSEL(0) |
| 116 | 0 IMX_AUDMUX_V2_PDCR_TXRXEN |
| 117 | >; |
| 118 | }; |
| 119 | }; |